19946175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 35616768

約数和(自身を除く): 15670593

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 155, 345, 373, 465, 575, 713, 775, 1119, 1725, 1865, 2139, 2325, 3565, 5595, 8579, 9325, 10695, 11563, 17825, 25737, 27975, 34689, 42895, 53475, 57815, 128685, 173445, 214475, 265949, 289075, 643425, 797847, 867225, 1329745, 3989235, 6648725, 19946175]

約数ペア:

[(1, 19946175), (3, 6648725), (5, 3989235), (15, 1329745), (23, 867225), (25, 797847), (31, 643425), (69, 289075), (75, 265949), (93, 214475), (115, 173445), (155, 128685), (345, 57815), (373, 53475), (465, 42895), (575, 34689), (713, 27975), (775, 25737), (1119, 17825), (1725, 11563), (1865, 10695), (2139, 9325), (2325, 8579), (3565, 5595)]